Glossary Entry: Ureteral Access Sheath

Overview

Definition: A sheath used to facilitate the passage of endourological instruments into the ureter during procedures such as ureteroscopy and lithotripsy.

Detailed Description

Types and Variations

Variations: Ureteral access sheaths come in various sizes and lengths to accommodate different patient anatomies and procedural requirements.

Indications

Common Uses: This device is commonly used in endourological procedures to provide a stable access route for instruments and to protect the ureter from damage during stone removal or other interventions.

Insertion and Placement

Procedure: The sheath is inserted into the ureter over a guidewire using techniques such as the Seldinger technique, ensuring proper positioning for instrument passage.

Clinical Considerations

Potential Complications

Risks: Complications associated with ureteral access sheath placement include ureteral perforation, mucosal injury, and the risk of infection.

Care and Maintenance

Maintenance Requirements: Proper care and cleaning of the access sheath are essential to prevent infection and maintain its integrity for future use.

Additional Information

Related Devices

Associated Terms: Ureteral access sheaths are often used in conjunction with ureteroscopes, laser fibers, and stone retrieval baskets.

Innovations and Advancements

Recent Developments: Advancements in sheath design have focused on improving flexibility, lubricity, and visualization capabilities to enhance procedural outcomes.

Regulatory and Safety Notes

Regulations: Ureteral access sheaths are regulated medical devices that must adhere to quality standards and safety regulations to ensure patient safety and efficacy.

FAQS

1. What is a ureteral access sheath?

A ureteral access sheath is a device used to facilitate the passage of endourological instruments into the ureter during procedures such as ureteroscopy and lithotripsy.

2. What are the common uses of a ureteral access sheath?

This device is commonly used in endourological procedures to provide a stable access route for instruments and to protect the ureter from damage during stone removal or other interventions.

3. How is a ureteral access sheath inserted and placed?

The sheath is inserted into the ureter over a guidewire using techniques such as the Seldinger technique, ensuring proper positioning for instrument passage.

4. What are the potential complications associated with ureteral access sheath placement?

Complications may include ureteral perforation, mucosal injury, and the risk of infection.

5. What are the maintenance requirements for a ureteral access sheath?

Proper care and cleaning of the access sheath are essential to prevent infection and maintain its integrity for future use.

6. What are some related devices often used with ureteral access sheaths?

Ureteral access sheaths are often used in conjunction with ureteroscopes, laser fibers, and stone retrieval baskets.

7. What recent developments have been made in ureteral access sheath design?

Advancements in sheath design have focused on improving flexibility, lubricity, and visualization capabilities to enhance procedural outcomes.

8. Are ureteral access sheaths regulated medical devices?

Yes, ureteral access sheaths are regulated medical devices that must adhere to quality standards and safety regulations to ensure patient safety and efficacy.